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National Stock Number:
4820-01-323-8648
Federal Supply Class:
4820
National Item Identification Number:
013238648
Description:
SEAT,VALVE
Detail:
A replaceable item designed to provide a circular stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see INSERT, ENGINE VALVE SEAT.
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Manufacturer Information:
| 32813 | 14959 | CRANE CO DIV VALVE DIV | | 32813 143XR PC 8A 2 1/2IN | 14959 | CRANE CO DIV VALVE DIV |
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Techincal Specification:
| BODY INSIDE DIAMETER | 2.188 INCHES NOMINAL | | FLANGE DIAMETER | 3.300 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.390 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM B164 ALLOY R-405 ASSN STD SINGLE MATERIAL RESPONSE SEAT | | MATERIAL | NICKEL ALLOY OVERALL | | NOMINAL THREAD SIZE | 2.948 INCHES SINGLE THREADED PORTION | | SEAT ANGLE IN DEG | 30.000 NOMINAL | | SEATING SURFACE SHAPE | ANGULAR | | STYLE DESIGNATOR | THREADED FLANGED | | THREAD CLASS | 2A SINGLE THREADED PORTION | | THREAD LENGTH | 0.650 INCHES NOMINAL SINGLE THREADED PORTION | | THREAD QUANTITY PER INCH | 11-1/2 SINGLE THREADED PORTION | | THREAD SERIES DESIGNATOR | UN SINGLE THREADED PORTION | | UNDER FLANGE HEIGHT | 1.360 INCHES NOMINAL |
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